                                          *err* log-writer]
                                  (cljs-build-fn
                                   (assoc this
-                                         :changed-files (map str files)))))))))))
+                                         :changed-files (map str files))))
+                               (when-let [notify-command (:notify-command build-config)]
+                                 (println (:out (apply sh notify-command)))))))))))
       this))
   (stop [this]
     (when (:file-watcher this)

(ns figwheel-sidecar.components.cljs-autobuild
  (:require
   [figwheel-sidecar.config :refer [add-compiler-env prep-build prepped?]]   
   [figwheel-sidecar.watching :as watching]
   [figwheel-sidecar.utils :as utils]

      ;; build hooks
   [figwheel-sidecar.build-middleware.injection :as injection] 
   [figwheel-sidecar.build-middleware.notifications :as notifications]
   [figwheel-sidecar.build-middleware.clj-reloading :as clj-reloading]
   [figwheel-sidecar.build-middleware.javascript-reloading :as javascript-reloading]   
   
   [com.stuartsierra.component :as component]
   [cljs.closure]
   [cljs.build.api :as bapi]
   [clojure.java.io :as io]))

;; TODO can I run this without a figwheel server??
;; that would make this component much more useful

  figwheel-sidecar.components.figwheel-server/ChannelServer protocol.

  You need to at least supply this component with a :build-config.

  You may optionally supply a :cljs-build-fn for this component to
  use."
  [{:keys [build-config] :as opts}]
